January 21, 2009 2:28 pm Peanut Butter Problem Spreads A salmonella outbreak believed to have killed six people and sickened close to 500 others has been traced to tainted peanut butter. Concerns are growing as is the list of recalls. US & World Videos 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 4:01 Loved ones hold out hope after surfers, 2 from San Diego, disappeared during Mexico trip 5:57 Why your monthly horoscope for May is looking lucky 4:10 What is perimenopause and how can you manage its symptoms? Nurse Barb explains. 6:41 Shawn Stockman of Boyz II Men hits a high note with his solo music career